A U.S. Army soldier swings from a ledge to a rope ladder during the French Desert Survival Course, May 6, 2015, at Arta Plage, Djibouti. The mountain obstacle course is the final test, requiring nearly every skill set learned in training, and must be completed in a strict 25-minute time limit to graduate the course. (U.S. Air Force photo by Senior Airman Benjamin Raughton/Released)